mirrors/qemu
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
75804f7131
qemu/target/mips/tcg/msa_translate.c
Philippe Mathieu-Daudé 75d12c8c24 target/mips: Remove generic MSA opcode 
All opcodes have been converted to decodetree. The generic
MSA handler is now pointless, remove it.

Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20211028210843.2120802-31-f4bug@amsat.org>
2021-11-02 14:32:32 +01:00

800 lines
25 KiB
C
Raw Blame History

/*
* MIPS SIMD Architecture (MSA) translation routines
*
* Copyright (c) 2004-2005 Jocelyn Mayer
* Copyright (c) 2006 Marius Groeger (FPU operations)
* Copyright (c) 2006 Thiemo Seufer (MIPS32R2 support)
* Copyright (c) 2009 CodeSourcery (MIPS16 and microMIPS support)
* Copyright (c) 2012 Jia Liu & Dongxue Zhang (MIPS ASE DSP support)
* Copyright (c) 2020 Philippe Mathieu-Daudé
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#include "qemu/osdep.h"
#include "tcg/tcg-op.h"
#include "exec/helper-gen.h"
#include "translate.h"
#include "fpu_helper.h"
#include "internal.h"
static int elm_n(DisasContext *ctx, int x);
static int elm_df(DisasContext *ctx, int x);
static int bit_m(DisasContext *ctx, int x);
static int bit_df(DisasContext *ctx, int x);
static inline int plus_1(DisasContext *s, int x)
{
return x + 1;
}
static inline int plus_2(DisasContext *s, int x)
{
return x + 2;
}
/* Include the auto-generated decoder. */
#include "decode-msa.c.inc"
static const char msaregnames[][6] = {
"w0.d0", "w0.d1", "w1.d0", "w1.d1",
"w2.d0", "w2.d1", "w3.d0", "w3.d1",
"w4.d0", "w4.d1", "w5.d0", "w5.d1",
"w6.d0", "w6.d1", "w7.d0", "w7.d1",
"w8.d0", "w8.d1", "w9.d0", "w9.d1",
"w10.d0", "w10.d1", "w11.d0", "w11.d1",
"w12.d0", "w12.d1", "w13.d0", "w13.d1",
"w14.d0", "w14.d1", "w15.d0", "w15.d1",
"w16.d0", "w16.d1", "w17.d0", "w17.d1",
"w18.d0", "w18.d1", "w19.d0", "w19.d1",
"w20.d0", "w20.d1", "w21.d0", "w21.d1",
"w22.d0", "w22.d1", "w23.d0", "w23.d1",
"w24.d0", "w24.d1", "w25.d0", "w25.d1",
"w26.d0", "w26.d1", "w27.d0", "w27.d1",
"w28.d0", "w28.d1", "w29.d0", "w29.d1",
"w30.d0", "w30.d1", "w31.d0", "w31.d1",
};
/* Encoding of Operation Field (must be indexed by CPUMIPSMSADataFormat) */
struct dfe {
int start;
int length;
uint32_t mask;
};
/*
* Extract immediate from df/{m,n} format (used by ELM & BIT instructions).
* Returns the immediate value, or -1 if the format does not match.
*/
static int df_extract_val(DisasContext *ctx, int x, const struct dfe *s)
{
for (unsigned i = 0; i < 4; i++) {
if (extract32(x, s->start, s->length) == s->mask) {
return extract32(x, 0, s->start);
}
}
return -1;
}
/*
* Extract DataField from df/{m,n} format (used by ELM & BIT instructions).
* Returns the DataField, or -1 if the format does not match.
*/
static int df_extract_df(DisasContext *ctx, int x, const struct dfe *s)
{
for (unsigned i = 0; i < 4; i++) {
if (extract32(x, s->start, s->length) == s->mask) {
return i;
}
}
return -1;
}
static const struct dfe df_elm[] = {
/* Table 3.26 ELM Instruction Format */
[DF_BYTE] = {4, 2, 0b00},
[DF_HALF] = {3, 3, 0b100},
[DF_WORD] = {2, 4, 0b1100},
[DF_DOUBLE] = {1, 5, 0b11100}
};
static int elm_n(DisasContext *ctx, int x)
{
return df_extract_val(ctx, x, df_elm);
}
static int elm_df(DisasContext *ctx, int x)
{
return df_extract_df(ctx, x, df_elm);
}
static const struct dfe df_bit[] = {
/* Table 3.28 BIT Instruction Format */
[DF_BYTE] = {3, 4, 0b1110},
[DF_HALF] = {4, 3, 0b110},
[DF_WORD] = {5, 2, 0b10},
[DF_DOUBLE] = {6, 1, 0b0}
};
static int bit_m(DisasContext *ctx, int x)
{
return df_extract_val(ctx, x, df_bit);
}
static int bit_df(DisasContext *ctx, int x)
{
return df_extract_df(ctx, x, df_bit);
}
static TCGv_i64 msa_wr_d[64];
void msa_translate_init(void)
{
int i;
for (i = 0; i < 32; i++) {
int off;
/*
* The MSA vector registers are mapped on the
* scalar floating-point unit (FPU) registers.
*/
off = offsetof(CPUMIPSState, active_fpu.fpr[i].wr.d[0]);
msa_wr_d[i * 2] = fpu_f64[i];
off = offsetof(CPUMIPSState, active_fpu.fpr[i].wr.d[1]);
msa_wr_d[i * 2 + 1] =
tcg_global_mem_new_i64(cpu_env, off, msaregnames[i * 2 + 1]);
}
}
/*
* Check if MSA is enabled.
* This function is always called with MSA available.
* If MSA is disabled, raise an exception.
*/
static inline bool check_msa_enabled(DisasContext *ctx)
{
if (unlikely((ctx->hflags & MIPS_HFLAG_FPU) &&
!(ctx->hflags & MIPS_HFLAG_F64))) {
gen_reserved_instruction(ctx);
return false;
}
if (unlikely(!(ctx->hflags & MIPS_HFLAG_MSA))) {
generate_exception_end(ctx, EXCP_MSADIS);
return false;
}
return true;
}
typedef void gen_helper_piv(TCGv_ptr, TCGv_i32, TCGv);
typedef void gen_helper_pii(TCGv_ptr, TCGv_i32, TCGv_i32);
typedef void gen_helper_piii(TCGv_ptr, TCGv_i32, TCGv_i32, TCGv_i32);
typedef void gen_helper_piiii(TCGv_ptr, TCGv_i32, TCGv_i32, TCGv_i32, TCGv_i32);
#define TRANS_DF_x(TYPE, NAME, trans_func, gen_func) \
static gen_helper_p##TYPE * const NAME##_tab[4] = { \
gen_func##_b, gen_func##_h, gen_func##_w, gen_func##_d \
}; \
TRANS(NAME, trans_func, NAME##_tab[a->df])
#define TRANS_DF_iv(NAME, trans_func, gen_func) \
TRANS_DF_x(iv, NAME, trans_func, gen_func)
#define TRANS_DF_ii(NAME, trans_func, gen_func) \
TRANS_DF_x(ii, NAME, trans_func, gen_func)
#define TRANS_DF_iii(NAME, trans_func, gen_func) \
TRANS_DF_x(iii, NAME, trans_func, gen_func)
#define TRANS_DF_iii_b(NAME, trans_func, gen_func) \
static gen_helper_piii * const NAME##_tab[4] = { \
NULL, gen_func##_h, gen_func##_w, gen_func##_d \
}; \
static bool trans_##NAME(DisasContext *ctx, arg_##NAME *a) \
{ \
return trans_func(ctx, a, NAME##_tab[a->df]); \
}
static void gen_check_zero_element(TCGv tresult, uint8_t df, uint8_t wt,
TCGCond cond)
{
/* generates tcg ops to check if any element is 0 */
/* Note this function only works with MSA_WRLEN = 128 */
uint64_t eval_zero_or_big = dup_const(df, 1);
uint64_t eval_big = eval_zero_or_big << ((8 << df) - 1);
TCGv_i64 t0 = tcg_temp_new_i64();
TCGv_i64 t1 = tcg_temp_new_i64();
tcg_gen_subi_i64(t0, msa_wr_d[wt << 1], eval_zero_or_big);
tcg_gen_andc_i64(t0, t0, msa_wr_d[wt << 1]);
tcg_gen_andi_i64(t0, t0, eval_big);
tcg_gen_subi_i64(t1, msa_wr_d[(wt << 1) + 1], eval_zero_or_big);
tcg_gen_andc_i64(t1, t1, msa_wr_d[(wt << 1) + 1]);
tcg_gen_andi_i64(t1, t1, eval_big);
tcg_gen_or_i64(t0, t0, t1);
/* if all bits are zero then all elements are not zero */
/* if some bit is non-zero then some element is zero */
tcg_gen_setcondi_i64(cond, t0, t0, 0);
tcg_gen_trunc_i64_tl(tresult, t0);
tcg_temp_free_i64(t0);
tcg_temp_free_i64(t1);
}
static bool gen_msa_BxZ_V(DisasContext *ctx, int wt, int sa, TCGCond cond)
{
TCGv_i64 t0;
if (!check_msa_enabled(ctx)) {
return true;
}
if (ctx->hflags & MIPS_HFLAG_BMASK) {
gen_reserved_instruction(ctx);
return true;
}
t0 = tcg_temp_new_i64();
tcg_gen_or_i64(t0, msa_wr_d[wt << 1], msa_wr_d[(wt << 1) + 1]);
tcg_gen_setcondi_i64(cond, t0, t0, 0);
tcg_gen_trunc_i64_tl(bcond, t0);
tcg_temp_free_i64(t0);
ctx->btarget = ctx->base.pc_next + (sa << 2) + 4;
ctx->hflags |= MIPS_HFLAG_BC;
ctx->hflags |= MIPS_HFLAG_BDS32;
return true;
}
static bool trans_BZ_V(DisasContext *ctx, arg_msa_bz *a)
{
return gen_msa_BxZ_V(ctx, a->wt, a->sa, TCG_COND_EQ);
}
static bool trans_BNZ_V(DisasContext *ctx, arg_msa_bz *a)
{
return gen_msa_BxZ_V(ctx, a->wt, a->sa, TCG_COND_NE);
}
static bool gen_msa_BxZ(DisasContext *ctx, int df, int wt, int sa, bool if_not)
{
if (!check_msa_enabled(ctx)) {
return true;
}
if (ctx->hflags & MIPS_HFLAG_BMASK) {
gen_reserved_instruction(ctx);
return true;
}
gen_check_zero_element(bcond, df, wt, if_not ? TCG_COND_EQ : TCG_COND_NE);
ctx->btarget = ctx->base.pc_next + (sa << 2) + 4;
ctx->hflags |= MIPS_HFLAG_BC;
ctx->hflags |= MIPS_HFLAG_BDS32;
return true;
}
static bool trans_BZ(DisasContext *ctx, arg_msa_bz *a)
{
return gen_msa_BxZ(ctx, a->df, a->wt, a->sa, false);
}
static bool trans_BNZ(DisasContext *ctx, arg_msa_bz *a)
{
return gen_msa_BxZ(ctx, a->df, a->wt, a->sa, true);
}
static bool trans_msa_i8(DisasContext *ctx, arg_msa_i *a,
gen_helper_piii *gen_msa_i8)
{
if (!check_msa_enabled(ctx)) {
return true;
}
gen_msa_i8(cpu_env,
tcg_constant_i32(a->wd),
tcg_constant_i32(a->ws),
tcg_constant_i32(a->sa));
return true;
}
TRANS(ANDI, trans_msa_i8, gen_helper_msa_andi_b);
TRANS(ORI, trans_msa_i8, gen_helper_msa_ori_b);
TRANS(NORI, trans_msa_i8, gen_helper_msa_nori_b);
TRANS(XORI, trans_msa_i8, gen_helper_msa_xori_b);
TRANS(BMNZI, trans_msa_i8, gen_helper_msa_bmnzi_b);
TRANS(BMZI, trans_msa_i8, gen_helper_msa_bmzi_b);
TRANS(BSELI, trans_msa_i8, gen_helper_msa_bseli_b);
static bool trans_SHF(DisasContext *ctx, arg_msa_i *a)
{
if (a->df == DF_DOUBLE) {
return false;
}
if (!check_msa_enabled(ctx)) {
return true;
}
gen_helper_msa_shf_df(cpu_env,
tcg_constant_i32(a->df),
tcg_constant_i32(a->wd),
tcg_constant_i32(a->ws),
tcg_constant_i32(a->sa));
return true;
}
static bool trans_msa_i5(DisasContext *ctx, arg_msa_i *a,
gen_helper_piiii *gen_msa_i5)
{
if (!check_msa_enabled(ctx)) {
return true;
}
gen_msa_i5(cpu_env,
tcg_constant_i32(a->df),
tcg_constant_i32(a->wd),
tcg_constant_i32(a->ws),
tcg_constant_i32(a->sa));
return true;
}
TRANS(ADDVI, trans_msa_i5, gen_helper_msa_addvi_df);
TRANS(SUBVI, trans_msa_i5, gen_helper_msa_subvi_df);
TRANS(MAXI_S, trans_msa_i5, gen_helper_msa_maxi_s_df);
TRANS(MAXI_U, trans_msa_i5, gen_helper_msa_maxi_u_df);
TRANS(MINI_S, trans_msa_i5, gen_helper_msa_mini_s_df);
TRANS(MINI_U, trans_msa_i5, gen_helper_msa_mini_u_df);
TRANS(CLTI_S, trans_msa_i5, gen_helper_msa_clti_s_df);
TRANS(CLTI_U, trans_msa_i5, gen_helper_msa_clti_u_df);
TRANS(CLEI_S, trans_msa_i5, gen_helper_msa_clei_s_df);
TRANS(CLEI_U, trans_msa_i5, gen_helper_msa_clei_u_df);
TRANS(CEQI, trans_msa_i5, gen_helper_msa_ceqi_df);
static bool trans_LDI(DisasContext *ctx, arg_msa_ldi *a)
{
if (!check_msa_enabled(ctx)) {
return true;
}
gen_helper_msa_ldi_df(cpu_env,
tcg_constant_i32(a->df),
tcg_constant_i32(a->wd),
tcg_constant_i32(a->sa));
return true;
}
static bool trans_msa_bit(DisasContext *ctx, arg_msa_bit *a,
gen_helper_piiii *gen_msa_bit)
{
if (a->df < 0) {
return false;
}
if (!check_msa_enabled(ctx)) {
return true;
}
gen_msa_bit(cpu_env,
tcg_constant_i32(a->df),
tcg_constant_i32(a->wd),
tcg_constant_i32(a->ws),
tcg_constant_i32(a->m));
return true;
}
TRANS(SLLI, trans_msa_bit, gen_helper_msa_slli_df);
TRANS(SRAI, trans_msa_bit, gen_helper_msa_srai_df);
TRANS(SRLI, trans_msa_bit, gen_helper_msa_srli_df);
TRANS(BCLRI, trans_msa_bit, gen_helper_msa_bclri_df);
TRANS(BSETI, trans_msa_bit, gen_helper_msa_bseti_df);
TRANS(BNEGI, trans_msa_bit, gen_helper_msa_bnegi_df);
TRANS(BINSLI, trans_msa_bit, gen_helper_msa_binsli_df);
TRANS(BINSRI, trans_msa_bit, gen_helper_msa_binsri_df);
TRANS(SAT_S, trans_msa_bit, gen_helper_msa_sat_u_df);
TRANS(SAT_U, trans_msa_bit, gen_helper_msa_sat_u_df);
TRANS(SRARI, trans_msa_bit, gen_helper_msa_srari_df);
TRANS(SRLRI, trans_msa_bit, gen_helper_msa_srlri_df);
static bool trans_msa_3rf(DisasContext *ctx, arg_msa_r *a,
gen_helper_piiii *gen_msa_3rf)
{
if (!check_msa_enabled(ctx)) {
return true;
}
gen_msa_3rf(cpu_env,
tcg_constant_i32(a->df),
tcg_constant_i32(a->wd),
tcg_constant_i32(a->ws),
tcg_constant_i32(a->wt));
return true;
}
static bool trans_msa_3r(DisasContext *ctx, arg_msa_r *a,
gen_helper_piii *gen_msa_3r)
{
if (!gen_msa_3r) {
return false;
}
if (!check_msa_enabled(ctx)) {
return true;
}
gen_msa_3r(cpu_env,
tcg_constant_i32(a->wd),
tcg_constant_i32(a->ws),
tcg_constant_i32(a->wt));
return true;
}
TRANS(AND_V, trans_msa_3r, gen_helper_msa_and_v);
TRANS(OR_V, trans_msa_3r, gen_helper_msa_or_v);
TRANS(NOR_V, trans_msa_3r, gen_helper_msa_nor_v);
TRANS(XOR_V, trans_msa_3r, gen_helper_msa_xor_v);
TRANS(BMNZ_V, trans_msa_3r, gen_helper_msa_bmnz_v);
TRANS(BMZ_V, trans_msa_3r, gen_helper_msa_bmz_v);
TRANS(BSEL_V, trans_msa_3r, gen_helper_msa_bsel_v);
TRANS_DF_iii(SLL, trans_msa_3r, gen_helper_msa_sll);
TRANS_DF_iii(SRA, trans_msa_3r, gen_helper_msa_sra);
TRANS_DF_iii(SRL, trans_msa_3r, gen_helper_msa_srl);
TRANS_DF_iii(BCLR, trans_msa_3r, gen_helper_msa_bclr);
TRANS_DF_iii(BSET, trans_msa_3r, gen_helper_msa_bset);
TRANS_DF_iii(BNEG, trans_msa_3r, gen_helper_msa_bneg);
TRANS_DF_iii(BINSL, trans_msa_3r, gen_helper_msa_binsl);
TRANS_DF_iii(BINSR, trans_msa_3r, gen_helper_msa_binsr);
TRANS_DF_iii(ADDV, trans_msa_3r, gen_helper_msa_addv);
TRANS_DF_iii(SUBV, trans_msa_3r, gen_helper_msa_subv);
TRANS_DF_iii(MAX_S, trans_msa_3r, gen_helper_msa_max_s);
TRANS_DF_iii(MAX_U, trans_msa_3r, gen_helper_msa_max_u);
TRANS_DF_iii(MIN_S, trans_msa_3r, gen_helper_msa_min_s);
TRANS_DF_iii(MIN_U, trans_msa_3r, gen_helper_msa_min_u);
TRANS_DF_iii(MAX_A, trans_msa_3r, gen_helper_msa_max_a);
TRANS_DF_iii(MIN_A, trans_msa_3r, gen_helper_msa_min_a);
TRANS_DF_iii(CEQ, trans_msa_3r, gen_helper_msa_ceq);
TRANS_DF_iii(CLT_S, trans_msa_3r, gen_helper_msa_clt_s);
TRANS_DF_iii(CLT_U, trans_msa_3r, gen_helper_msa_clt_u);
TRANS_DF_iii(CLE_S, trans_msa_3r, gen_helper_msa_cle_s);
TRANS_DF_iii(CLE_U, trans_msa_3r, gen_helper_msa_cle_u);
TRANS_DF_iii(ADD_A, trans_msa_3r, gen_helper_msa_add_a);
TRANS_DF_iii(ADDS_A, trans_msa_3r, gen_helper_msa_adds_a);
TRANS_DF_iii(ADDS_S, trans_msa_3r, gen_helper_msa_adds_s);
TRANS_DF_iii(ADDS_U, trans_msa_3r, gen_helper_msa_adds_u);
TRANS_DF_iii(AVE_S, trans_msa_3r, gen_helper_msa_ave_s);
TRANS_DF_iii(AVE_U, trans_msa_3r, gen_helper_msa_ave_u);
TRANS_DF_iii(AVER_S, trans_msa_3r, gen_helper_msa_aver_s);
TRANS_DF_iii(AVER_U, trans_msa_3r, gen_helper_msa_aver_u);
TRANS_DF_iii(SUBS_S, trans_msa_3r, gen_helper_msa_subs_s);
TRANS_DF_iii(SUBS_U, trans_msa_3r, gen_helper_msa_subs_u);
TRANS_DF_iii(SUBSUS_U, trans_msa_3r, gen_helper_msa_subsus_u);
TRANS_DF_iii(SUBSUU_S, trans_msa_3r, gen_helper_msa_subsuu_s);
TRANS_DF_iii(ASUB_S, trans_msa_3r, gen_helper_msa_asub_s);
TRANS_DF_iii(ASUB_U, trans_msa_3r, gen_helper_msa_asub_u);
TRANS_DF_iii(MULV, trans_msa_3r, gen_helper_msa_mulv);
TRANS_DF_iii(MADDV, trans_msa_3r, gen_helper_msa_maddv);
TRANS_DF_iii(MSUBV, trans_msa_3r, gen_helper_msa_msubv);
TRANS_DF_iii(DIV_S, trans_msa_3r, gen_helper_msa_div_s);
TRANS_DF_iii(DIV_U, trans_msa_3r, gen_helper_msa_div_u);
TRANS_DF_iii(MOD_S, trans_msa_3r, gen_helper_msa_mod_s);
TRANS_DF_iii(MOD_U, trans_msa_3r, gen_helper_msa_mod_u);
TRANS_DF_iii_b(DOTP_S, trans_msa_3r, gen_helper_msa_dotp_s);
TRANS_DF_iii_b(DOTP_U, trans_msa_3r, gen_helper_msa_dotp_u);
TRANS_DF_iii_b(DPADD_S, trans_msa_3r, gen_helper_msa_dpadd_s);
TRANS_DF_iii_b(DPADD_U, trans_msa_3r, gen_helper_msa_dpadd_u);
TRANS_DF_iii_b(DPSUB_S, trans_msa_3r, gen_helper_msa_dpsub_s);
TRANS_DF_iii_b(DPSUB_U, trans_msa_3r, gen_helper_msa_dpsub_u);
TRANS(SLD, trans_msa_3rf, gen_helper_msa_sld_df);
TRANS(SPLAT, trans_msa_3rf, gen_helper_msa_splat_df);
TRANS_DF_iii(PCKEV, trans_msa_3r, gen_helper_msa_pckev);
TRANS_DF_iii(PCKOD, trans_msa_3r, gen_helper_msa_pckod);
TRANS_DF_iii(ILVL, trans_msa_3r, gen_helper_msa_ilvl);
TRANS_DF_iii(ILVR, trans_msa_3r, gen_helper_msa_ilvr);
TRANS_DF_iii(ILVEV, trans_msa_3r, gen_helper_msa_ilvev);
TRANS_DF_iii(ILVOD, trans_msa_3r, gen_helper_msa_ilvod);
TRANS(VSHF, trans_msa_3rf, gen_helper_msa_vshf_df);
TRANS_DF_iii(SRAR, trans_msa_3r, gen_helper_msa_srar);
TRANS_DF_iii(SRLR, trans_msa_3r, gen_helper_msa_srlr);
TRANS_DF_iii_b(HADD_S, trans_msa_3r, gen_helper_msa_hadd_s);
TRANS_DF_iii_b(HADD_U, trans_msa_3r, gen_helper_msa_hadd_u);
TRANS_DF_iii_b(HSUB_S, trans_msa_3r, gen_helper_msa_hsub_s);
TRANS_DF_iii_b(HSUB_U, trans_msa_3r, gen_helper_msa_hsub_u);
static bool trans_MOVE_V(DisasContext *ctx, arg_msa_elm *a)
{
if (!check_msa_enabled(ctx)) {
return true;
}
gen_helper_msa_move_v(cpu_env,
tcg_constant_i32(a->wd),
tcg_constant_i32(a->ws));
return true;
}
static bool trans_CTCMSA(DisasContext *ctx, arg_msa_elm *a)
{
TCGv telm;
if (!check_msa_enabled(ctx)) {
return true;
}
telm = tcg_temp_new();
gen_load_gpr(telm, a->ws);
gen_helper_msa_ctcmsa(cpu_env, telm, tcg_constant_i32(a->wd));
tcg_temp_free(telm);
return true;
}
static bool trans_CFCMSA(DisasContext *ctx, arg_msa_elm *a)
{
TCGv telm;
if (!check_msa_enabled(ctx)) {
return true;
}
telm = tcg_temp_new();
gen_helper_msa_cfcmsa(telm, cpu_env, tcg_constant_i32(a->ws));
gen_store_gpr(telm, a->wd);
tcg_temp_free(telm);
return true;
}
static bool trans_msa_elm(DisasContext *ctx, arg_msa_elm_df *a,
gen_helper_piiii *gen_msa_elm_df)
{
if (a->df < 0) {
return false;
}
if (!check_msa_enabled(ctx)) {
return true;
}
gen_msa_elm_df(cpu_env,
tcg_constant_i32(a->df),
tcg_constant_i32(a->wd),
tcg_constant_i32(a->ws),
tcg_constant_i32(a->n));
return true;
}
TRANS(SLDI, trans_msa_elm, gen_helper_msa_sldi_df);
TRANS(SPLATI, trans_msa_elm, gen_helper_msa_splati_df);
TRANS(INSVE, trans_msa_elm, gen_helper_msa_insve_df);
static bool trans_msa_elm_fn(DisasContext *ctx, arg_msa_elm_df *a,
gen_helper_piii * const gen_msa_elm[4])
{
if (a->df < 0 || !gen_msa_elm[a->df]) {
return false;
}
if (check_msa_enabled(ctx)) {
return true;
}
if (a->wd == 0) {
/* Treat as NOP. */
return true;
}
gen_msa_elm[a->df](cpu_env,
tcg_constant_i32(a->wd),
tcg_constant_i32(a->ws),
tcg_constant_i32(a->n));
return true;
}
#if defined(TARGET_MIPS64)
#define NULL_IF_MIPS32(function) function
#else
#define NULL_IF_MIPS32(function) NULL
#endif
static bool trans_COPY_U(DisasContext *ctx, arg_msa_elm_df *a)
{
static gen_helper_piii * const gen_msa_copy_u[4] = {
gen_helper_msa_copy_u_b, gen_helper_msa_copy_u_h,
NULL_IF_MIPS32(gen_helper_msa_copy_u_w), NULL
};
return trans_msa_elm_fn(ctx, a, gen_msa_copy_u);
}
static bool trans_COPY_S(DisasContext *ctx, arg_msa_elm_df *a)
{
static gen_helper_piii * const gen_msa_copy_s[4] = {
gen_helper_msa_copy_s_b, gen_helper_msa_copy_s_h,
gen_helper_msa_copy_s_w, NULL_IF_MIPS32(gen_helper_msa_copy_s_d)
};
return trans_msa_elm_fn(ctx, a, gen_msa_copy_s);
}
static bool trans_INSERT(DisasContext *ctx, arg_msa_elm_df *a)
{
static gen_helper_piii * const gen_msa_insert[4] = {
gen_helper_msa_insert_b, gen_helper_msa_insert_h,
gen_helper_msa_insert_w, NULL_IF_MIPS32(gen_helper_msa_insert_d)
};
return trans_msa_elm_fn(ctx, a, gen_msa_insert);
}
TRANS(FCAF, trans_msa_3rf, gen_helper_msa_fcaf_df);
TRANS(FCUN, trans_msa_3rf, gen_helper_msa_fcun_df);
TRANS(FCEQ, trans_msa_3rf, gen_helper_msa_fceq_df);
TRANS(FCUEQ, trans_msa_3rf, gen_helper_msa_fcueq_df);
TRANS(FCLT, trans_msa_3rf, gen_helper_msa_fclt_df);
TRANS(FCULT, trans_msa_3rf, gen_helper_msa_fcult_df);
TRANS(FCLE, trans_msa_3rf, gen_helper_msa_fcle_df);
TRANS(FCULE, trans_msa_3rf, gen_helper_msa_fcule_df);
TRANS(FSAF, trans_msa_3rf, gen_helper_msa_fsaf_df);
TRANS(FSUN, trans_msa_3rf, gen_helper_msa_fsun_df);
TRANS(FSEQ, trans_msa_3rf, gen_helper_msa_fseq_df);
TRANS(FSUEQ, trans_msa_3rf, gen_helper_msa_fsueq_df);
TRANS(FSLT, trans_msa_3rf, gen_helper_msa_fslt_df);
TRANS(FSULT, trans_msa_3rf, gen_helper_msa_fsult_df);
TRANS(FSLE, trans_msa_3rf, gen_helper_msa_fsle_df);
TRANS(FSULE, trans_msa_3rf, gen_helper_msa_fsule_df);
TRANS(FADD, trans_msa_3rf, gen_helper_msa_fadd_df);
TRANS(FSUB, trans_msa_3rf, gen_helper_msa_fsub_df);
TRANS(FMUL, trans_msa_3rf, gen_helper_msa_fmul_df);
TRANS(FDIV, trans_msa_3rf, gen_helper_msa_fdiv_df);
TRANS(FMADD, trans_msa_3rf, gen_helper_msa_fmadd_df);
TRANS(FMSUB, trans_msa_3rf, gen_helper_msa_fmsub_df);
TRANS(FEXP2, trans_msa_3rf, gen_helper_msa_fexp2_df);
TRANS(FEXDO, trans_msa_3rf, gen_helper_msa_fexdo_df);
TRANS(FTQ, trans_msa_3rf, gen_helper_msa_ftq_df);
TRANS(FMIN, trans_msa_3rf, gen_helper_msa_fmin_df);
TRANS(FMIN_A, trans_msa_3rf, gen_helper_msa_fmin_a_df);
TRANS(FMAX, trans_msa_3rf, gen_helper_msa_fmax_df);
TRANS(FMAX_A, trans_msa_3rf, gen_helper_msa_fmax_a_df);
TRANS(FCOR, trans_msa_3rf, gen_helper_msa_fcor_df);
TRANS(FCUNE, trans_msa_3rf, gen_helper_msa_fcune_df);
TRANS(FCNE, trans_msa_3rf, gen_helper_msa_fcne_df);
TRANS(MUL_Q, trans_msa_3rf, gen_helper_msa_mul_q_df);
TRANS(MADD_Q, trans_msa_3rf, gen_helper_msa_madd_q_df);
TRANS(MSUB_Q, trans_msa_3rf, gen_helper_msa_msub_q_df);
TRANS(FSOR, trans_msa_3rf, gen_helper_msa_fsor_df);
TRANS(FSUNE, trans_msa_3rf, gen_helper_msa_fsune_df);
TRANS(FSNE, trans_msa_3rf, gen_helper_msa_fsne_df);
TRANS(MULR_Q, trans_msa_3rf, gen_helper_msa_mulr_q_df);
TRANS(MADDR_Q, trans_msa_3rf, gen_helper_msa_maddr_q_df);
TRANS(MSUBR_Q, trans_msa_3rf, gen_helper_msa_msubr_q_df);
static bool trans_msa_2r(DisasContext *ctx, arg_msa_r *a,
gen_helper_pii *gen_msa_2r)
{
if (!check_msa_enabled(ctx)) {
return true;
}
gen_msa_2r(cpu_env, tcg_constant_i32(a->wd), tcg_constant_i32(a->ws));
return true;
}
TRANS_DF_ii(PCNT, trans_msa_2r, gen_helper_msa_pcnt);
TRANS_DF_ii(NLOC, trans_msa_2r, gen_helper_msa_nloc);
TRANS_DF_ii(NLZC, trans_msa_2r, gen_helper_msa_nlzc);
static bool trans_FILL(DisasContext *ctx, arg_msa_r *a)
{
if (TARGET_LONG_BITS != 64 && a->df == DF_DOUBLE) {
/* Double format valid only for MIPS64 */
return false;
}
if (!check_msa_enabled(ctx)) {
return true;
}
gen_helper_msa_fill_df(cpu_env,
tcg_constant_i32(a->df),
tcg_constant_i32(a->wd),
tcg_constant_i32(a->ws));
return true;
}
static bool trans_msa_2rf(DisasContext *ctx, arg_msa_r *a,
gen_helper_piii *gen_msa_2rf)
{
if (!check_msa_enabled(ctx)) {
return true;
}
gen_msa_2rf(cpu_env,
tcg_constant_i32(a->df),
tcg_constant_i32(a->wd),
tcg_constant_i32(a->ws));
return true;
}
TRANS(FCLASS, trans_msa_2rf, gen_helper_msa_fclass_df);
TRANS(FTRUNC_S, trans_msa_2rf, gen_helper_msa_fclass_df);
TRANS(FTRUNC_U, trans_msa_2rf, gen_helper_msa_ftrunc_s_df);
TRANS(FSQRT, trans_msa_2rf, gen_helper_msa_fsqrt_df);
TRANS(FRSQRT, trans_msa_2rf, gen_helper_msa_frsqrt_df);
TRANS(FRCP, trans_msa_2rf, gen_helper_msa_frcp_df);
TRANS(FRINT, trans_msa_2rf, gen_helper_msa_frint_df);
TRANS(FLOG2, trans_msa_2rf, gen_helper_msa_flog2_df);
TRANS(FEXUPL, trans_msa_2rf, gen_helper_msa_fexupl_df);
TRANS(FEXUPR, trans_msa_2rf, gen_helper_msa_fexupr_df);
TRANS(FFQL, trans_msa_2rf, gen_helper_msa_ffql_df);
TRANS(FFQR, trans_msa_2rf, gen_helper_msa_ffqr_df);
TRANS(FTINT_S, trans_msa_2rf, gen_helper_msa_ftint_s_df);
TRANS(FTINT_U, trans_msa_2rf, gen_helper_msa_ftint_u_df);
TRANS(FFINT_S, trans_msa_2rf, gen_helper_msa_ffint_s_df);
TRANS(FFINT_U, trans_msa_2rf, gen_helper_msa_ffint_u_df);
static bool trans_msa_ldst(DisasContext *ctx, arg_msa_i *a,
gen_helper_piv *gen_msa_ldst)
{
TCGv taddr;
if (!check_msa_enabled(ctx)) {
return true;
}
taddr = tcg_temp_new();
gen_base_offset_addr(ctx, taddr, a->ws, a->sa << a->df);
gen_msa_ldst(cpu_env, tcg_constant_i32(a->wd), taddr);
tcg_temp_free(taddr);
return true;
}
TRANS_DF_iv(LD, trans_msa_ldst, gen_helper_msa_ld);
TRANS_DF_iv(ST, trans_msa_ldst, gen_helper_msa_st);
static bool trans_LSA(DisasContext *ctx, arg_r *a)
{
return gen_lsa(ctx, a->rd, a->rt, a->rs, a->sa);
}
static bool trans_DLSA(DisasContext *ctx, arg_r *a)
{
if (TARGET_LONG_BITS != 64) {
return false;
}
return gen_dlsa(ctx, a->rd, a->rt, a->rs, a->sa);
}
Reference in New Issue View Git Blame Copy Permalink